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目的观察间歇性外斜视矫正术后双眼单视功能的临床恢复规律。方法对50例间歇性外斜视患者术前术后的双眼单视功能进行测定并分析比较。结果(1)50例患者斜视度25Δ～100Δ,术后近期正位48例。(2)术前具有不同程度的近立体视患者22例(占44％),术后增至47例(占94％)。术前具有远立体视的患者4例,术后增至18例。术后具有远、近立体视功能患者人数显著上升(P<0．05)。(3)术前同视机法具有Ⅰ级功能者22例,术后44例,术后Ⅰ级功能恢复的患者人数显著增多(P<0．05)。(4)术前同视机法测到Ⅱ级功能的患者10例,术后上升到44例。术后Ⅱ级功能的患者比例显著上升(P<0．05)。结论对间歇性外斜视患者提倡早期手术治疗以期改善和恢复立体视功能。
Objective To observe the clinical recovery of binocular monovision after intermittent exotropia. Methods 50 cases of patients with intermittent exotropia binocular vision before surgery were measured and compared. Results (1) The strabismus of 50 patients was 25Δ ~ 100Δ, and the short-time was 48 patients. (2) Twenty-two patients (44%) had near-stereo vision with varying degrees before operation, and 47 patients (94%) after operation. There were 4 patients with far stereopsis before operation, and 18 patients were postoperatively. The number of patients with far and near stereopsis function increased significantly (P <0.05). (3) Twenty-two patients with grade I function and 44 patients with postoperative IOP were significantly increased in patients with functional recovery (P <0.05). (4) 10 patients with Ⅱ-level function were detected by the preoperative synoptophore method and the number increased to 44 after surgery. The proportion of patients with postoperative grade Ⅱ function increased significantly (P <0.05). Conclusion Patients with intermittent exotropia advocate early surgical treatment in order to improve and restore stereopsis.